I have a problem with samba, i can mount the share normally from other linux box, i can access it from any windows 10 computer not member of domain, but when i try to access the share from a member of domain Windows computer i cannot open the share keeps refusing the username/password.my samba config file is like this:

Logging levels are 0-10 for Samba. I believe you can alter the logging to just a specific user (so the logging doesn't tax your system so heavily). Maybe create a separate test user just for this purpose.